May 18, 2008. x86_64-pc -mingw32/include/windef.h:122, from test.cpp:1: c:devmingw-64bin. /lib/gcc/x86_64-pc-mingw32/4.4.0/././././x86_64-pc -mingw32/include/winnt.h: 1952: error: 'PCONTEXT' does not name a type In file included from c:devmingw -64bin./lib/gcc/x86_64-pc-mingw32/4.4.0/././././x86_64-pc.